<div class="span3 pull-left">
	<?php
	$this->load->helper('form');
	print form_open('user/do_login');
	print form_input('username','','placeholder="Username"');
	print form_password('password','','placeholder="password"');
	print form_submit('login','Login', 'class="btn btn-primary btn-large');
	print form_close();
	?>
</div>